thoracolumbosacral orthosis

thoracolumbosacral orthosis

an external device applied to the trunk and extending from the upper portion of the thoracic spine to the pelvis; designed to provide immobilization of the thoracic spine and thoracolumbar junction.

thoracolumbosacral orthosis (TLSO)

[thôr′əkōlum′bō sā′krəl]

Etymology: Gk, thorax, chest; L, lumbus, loin + sacrum, sacred

a spinal orthosis that runs from the thoracic spine caudal to the lumbosacral region and thus limits movement of the thoracic and lumbar spine. Different types vary in rigidity and in the kind of support given to the thorax. See also body jacket.

tho·ra·co·lum·bo·sa·cral or·tho·sis

(thōr'ă-kō-lŭm'bō-sā'krăl ōr-thō'sis)

An external device applied to the trunk and extending from the upper portion of the thoracic spine to the pelvis; designed to provide immobilization of the thoracic spine.

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